Across
- 1. vertical columns on periodic table
- 5. particles are far apart
- 6. one substance
- 9. may cause sickness or even death
- 11. H2O
- 12. keep away from open flame may explode
- 13. red octagon
- 16. odour change color change
- 20. yellow triangle
- 22. particles are a fair amount apart
- 23. may burn skin
- 24. table salt
Down
- 2. don't put near face or bare skin
- 3. two or more substances
- 4. periodic table
- 6. solid->liquid->gas
- 7. particles are close together
- 8. creates CO2 when mixed with baking soda
- 10. horizonal columns on periodic table
- 14. keep away from open flame
- 15. creates CO2 when mixed with vinegar
- 17. may give a shock
- 18. may cause sickness
- 19. symbol of element
- 21. orange diamond